Home / 1,215,342.72-1,823,403.39-850,983.74

Finding the Fourth Proportional to 1,215,342.72, 1,823,403.39 and 850,983.74

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Solution

The fourth proportional to 1,215,342.72, 1,823,403.39 and 850,983.74 is: 1,276,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,342.72 : 1,823,403.39 = 850,983.74 : x
  2. Step 2: Convert to fraction form
    1,215,342.72/1,823,403.39 = 850,983.74/x
  3. Step 3: Cross multiply
    1,215,342.72x = 1,823,403.39 × 850,983.74
  4. Step 4: Simplify right side
    1,215,342.72x = 1,551,686,638,316.69
  5. Step 5: Solve for x
    x = 1,551,686,638,316.69/1,215,342.72
  6. Step 6: Final answer
    x = 1,276,748.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.